EP0656601A3 - Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. - Google Patents

Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. Download PDF

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Publication number
EP0656601A3
EP0656601A3 EP94308677A EP94308677A EP0656601A3 EP 0656601 A3 EP0656601 A3 EP 0656601A3 EP 94308677 A EP94308677 A EP 94308677A EP 94308677 A EP94308677 A EP 94308677A EP 0656601 A3 EP0656601 A3 EP 0656601A3
Authority
EP
European Patent Office
Prior art keywords
reader
license plate
plate locator
automated license
automated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94308677A
Other languages
German (de)
English (en)
Other versions
EP0656601A2 (fr
Inventor
James F Frazier
Craig C Reinhart
James F Alves
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hughes Missile Systems Co
Original Assignee
Hughes Missile Systems Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Missile Systems Co filed Critical Hughes Missile Systems Co
Publication of EP0656601A2 publication Critical patent/EP0656601A2/fr
Publication of EP0656601A3 publication Critical patent/EP0656601A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/63—Scene text, e.g. street names
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/32—Normalisation of the pattern dimensions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Traffic Control Systems (AREA)
  • Character Input (AREA)
  • Image Processing (AREA)
EP94308677A 1993-12-01 1994-11-24 Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. Withdrawn EP0656601A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16050493A 1993-12-01 1993-12-01
US160504 1993-12-01

Publications (2)

Publication Number Publication Date
EP0656601A2 EP0656601A2 (fr) 1995-06-07
EP0656601A3 true EP0656601A3 (fr) 1996-11-13

Family

ID=22577140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94308677A Withdrawn EP0656601A3 (fr) 1993-12-01 1994-11-24 Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation.

Country Status (3)

Country Link
US (1) US5651075A (fr)
EP (1) EP0656601A3 (fr)
CA (1) CA2135240A1 (fr)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09259219A (ja) * 1996-03-26 1997-10-03 Sharp Corp 文字認識方法
US5948038A (en) 1996-07-31 1999-09-07 American Traffic Systems, Inc. Traffic violation processing system
GB9702849D0 (en) * 1997-02-12 1997-04-02 Trafficmaster Plc Traffic monitoring
AUPO525897A0 (en) * 1997-02-24 1997-03-20 Redflex Traffic Systems Pty Ltd Digital image processing
AU3826502A (en) * 1997-02-24 2002-06-27 Redflex Traffic Systems Pty Ltd Vehicle imaging and verification
US7233912B2 (en) 1997-08-26 2007-06-19 Walker Digital, Llc Method and apparatus for vending a combination of products
US7546277B1 (en) 1997-10-09 2009-06-09 Walker Digital, Llc Method and apparatus for dynamically managing vending machine inventory prices
US20020161670A1 (en) * 1997-07-08 2002-10-31 Walker Jay S. Method and apparatus for facilitating purchase agreements with a retailer
US7894936B2 (en) 1997-10-09 2011-02-22 Walker Digital, Llc Products and processes for managing the prices of vending machine inventory
US6405174B1 (en) * 1998-10-05 2002-06-11 Walker Ditial, Llc Method and apparatus for defining routing of customers between merchants
US7236942B1 (en) 1997-12-19 2007-06-26 Walker Digital, Llc Pre-sale data broadcast system and method
US7240021B1 (en) 1998-03-27 2007-07-03 Walker Digital, Llc System and method for tracking and establishing a progressive discount based upon a customer's visits to a retail establishment
AU3205199A (en) 1998-03-27 1999-10-18 Walker Asset Management Limited Partnership System and method for tracking and establishing a progressive discount based upon a customer's visits to retail establishment
JPH11306283A (ja) * 1998-04-24 1999-11-05 Chuo Spring Co Ltd ナンバープレート情報読取装置
US6281928B1 (en) * 1998-05-13 2001-08-28 Chuo Hatsujo Kabushiki Kaisha Positional detector device for a vehicular license plate
US6374240B1 (en) 1998-10-05 2002-04-16 Walker Digital, Llc Method and apparatus for maintaining a customer database using license plate scanning
US7826923B2 (en) 1998-12-22 2010-11-02 Walker Digital, Llc Products and processes for vending a plurality of products
US6400848B1 (en) 1999-03-30 2002-06-04 Eastman Kodak Company Method for modifying the perspective of a digital image
WO2001003087A1 (fr) 1999-06-30 2001-01-11 Walker Digital, Llc Systeme de distributeur automatique et procede visant a encourager l'achat d'articles rentables
US6490369B1 (en) 1999-07-06 2002-12-03 Fanuc Robotics North America Method of viewing and identifying a part for a robot manipulator
US6553131B1 (en) * 1999-09-15 2003-04-22 Siemens Corporate Research, Inc. License plate recognition with an intelligent camera
US6473517B1 (en) * 1999-09-15 2002-10-29 Siemens Corporate Research, Inc. Character segmentation method for vehicle license plate recognition
AU5385601A (en) * 2000-03-15 2001-09-24 Raytheon Co Predictive automatic incident detection using automatic vehicle identification
US7893963B2 (en) * 2000-03-27 2011-02-22 Eastman Kodak Company Digital camera which estimates and corrects small camera rotations
US7218991B2 (en) 2000-08-22 2007-05-15 Walker Digital, Llc System for vending physical and information items
US7738706B2 (en) * 2000-09-22 2010-06-15 Sri International Method and apparatus for recognition of symbols in images of three-dimensional scenes
DE60218982T2 (de) * 2001-01-26 2007-12-06 Raytheon Company, Waltham System und verfahren zum lesen eines nummernschildes
US7340419B2 (en) 2001-03-15 2008-03-04 Walker Digital, Llc Method and apparatus for product display
US20020167537A1 (en) * 2001-05-11 2002-11-14 Miroslav Trajkovic Motion-based tracking with pan-tilt-zoom camera
US6873732B2 (en) * 2001-07-09 2005-03-29 Xerox Corporation Method and apparatus for resolving perspective distortion in a document image and for calculating line sums in images
US7382277B2 (en) 2003-02-12 2008-06-03 Edward D. Ioli Trust System for tracking suspicious vehicular activity
US20040199425A1 (en) * 2003-03-14 2004-10-07 Van Luchene Andrew S. Method and apparatus for motion-controlled communication of offers
CA2535402A1 (fr) * 2003-07-10 2005-02-17 James Simon Reconnaissance de plaque d'immatriculation grand angle autonome
US20050027622A1 (en) 2003-07-30 2005-02-03 Walker Jay S. Products and processes for vending a plurality of products via defined groups
US20050073436A1 (en) * 2003-08-22 2005-04-07 Negreiro Manuel I. Method and system for alerting a patrol officer of a wanted vehicle
US20050058350A1 (en) * 2003-09-15 2005-03-17 Lockheed Martin Corporation System and method for object identification
US20060030985A1 (en) * 2003-10-24 2006-02-09 Active Recognition Technologies Inc., Vehicle recognition using multiple metrics
US7583858B2 (en) * 2004-10-12 2009-09-01 Eastman Kodak Company Image processing based on direction of gravity
US8081214B2 (en) 2004-10-12 2011-12-20 Enforcement Video, Llc Method of and system for mobile surveillance and event recording
US20060078215A1 (en) * 2004-10-12 2006-04-13 Eastman Kodak Company Image processing based on direction of gravity
US7504965B1 (en) 2005-08-05 2009-03-17 Elsag North America, Llc Portable covert license plate reader
US8982944B2 (en) * 2005-10-12 2015-03-17 Enforcement Video, Llc Method and system for categorized event recording of images in multiple resolution levels
US20070126876A1 (en) * 2005-11-30 2007-06-07 Eastman Kodak Company Locating digital image planar surfaces
US8599368B1 (en) 2008-01-29 2013-12-03 Enforcement Video, Llc Laser-based speed determination device for use in a moving vehicle
US20090046157A1 (en) * 2007-08-13 2009-02-19 Andrew Cilia Combined wide-angle/zoom camera for license plate identification
CA2714362A1 (fr) 2008-01-29 2009-08-06 Enforcement Video, Llc Camera omnidirectionnelle destinee a etre utilisee dans l'enregistrement d'evenements de vehicule de police
WO2009102480A2 (fr) * 2008-02-15 2009-08-20 Enforcement Video, Llc Système et procédé de stockage d’images multirésolution
GB0808586D0 (en) * 2008-05-12 2008-06-18 Qinetiq Ltd Method and apparatus for vehicle classification
TWI410879B (zh) * 2009-01-23 2013-10-01 Ind Tech Res Inst 影像辨識與輸出方法以及其系統
US20100246890A1 (en) * 2009-03-26 2010-09-30 Microsoft Corporation Detection of objects in images
TWI384408B (zh) * 2009-04-30 2013-02-01 Ind Tech Res Inst 影像辨識以及輸出方法與其系統
US20110078933A1 (en) * 2009-10-02 2011-04-07 Lukawitz Jason J Electronic license plate and information processing system
DE102009046362A1 (de) * 2009-11-03 2011-05-05 Tesa Se Haftklebestoff aus einem vernetzbaren Polyolefin und einem Klebharz
US8736680B1 (en) 2010-05-18 2014-05-27 Enforcement Video, Llc Method and system for split-screen video display
US8294794B2 (en) * 2010-07-06 2012-10-23 GM Global Technology Operations LLC Shadow removal in an image captured by a vehicle-based camera for clear path detection
US8345100B2 (en) * 2010-07-06 2013-01-01 GM Global Technology Operations LLC Shadow removal in an image captured by a vehicle-based camera using an optimized oriented linear axis
US8447112B2 (en) * 2010-12-17 2013-05-21 Xerox Corporation Method for automatic license plate recognition using adaptive feature set
GB2560832A (en) * 2011-01-12 2018-09-26 Videonetics Tech Private Limited An integrated intelligent server based system and method/systems adapted to facilitate fail-safe integration and/or optimised utilisation
US8989446B2 (en) 2011-01-18 2015-03-24 Rtc Vision Ltd. Character recognition in distorted images
US9373142B2 (en) 2011-03-04 2016-06-21 Digital Recognition Network, Inc. Method and system for locating a mobile asset
DE102011053052B3 (de) * 2011-08-26 2013-02-28 Jenoptik Robot Gmbh Verfahren und Vorrichtung zur Identifikation von Kraftfahrzeugen zur Verkehrsüberwachung
WO2013052773A1 (fr) * 2011-10-05 2013-04-11 L-3 Communications Mobilevision Inc. Système de caméra à multiples résolutions pour reconnaissance de plaque d'immatriculation et enregistrement d'événement automatiques
CN103123684A (zh) * 2011-11-18 2013-05-29 江南大学 车牌定位方法
US20140002661A1 (en) * 2012-06-29 2014-01-02 Xerox Corporation Traffic camera diagnostics via smart network
US9082037B2 (en) 2013-05-22 2015-07-14 Xerox Corporation Method and system for automatically determining the issuing state of a license plate
US9082038B2 (en) 2013-05-29 2015-07-14 Xerox Corporation Dram c adjustment of automatic license plate recognition processing based on vehicle class information
JP6115388B2 (ja) * 2013-08-01 2017-04-19 株式会社デンソー ナンバープレート認識装置およびナンバープレート認識方法
US10540564B2 (en) 2014-06-27 2020-01-21 Blinker, Inc. Method and apparatus for identifying vehicle information from an image
US9760776B1 (en) 2014-06-27 2017-09-12 Blinker, Inc. Method and apparatus for obtaining a vehicle history report from an image
US10515285B2 (en) 2014-06-27 2019-12-24 Blinker, Inc. Method and apparatus for blocking information from an image
US9892337B1 (en) 2014-06-27 2018-02-13 Blinker, Inc. Method and apparatus for receiving a refinancing offer from an image
US10572758B1 (en) 2014-06-27 2020-02-25 Blinker, Inc. Method and apparatus for receiving a financing offer from an image
US9607236B1 (en) 2014-06-27 2017-03-28 Blinker, Inc. Method and apparatus for providing loan verification from an image
US9589201B1 (en) 2014-06-27 2017-03-07 Blinker, Inc. Method and apparatus for recovering a vehicle value from an image
US9754171B1 (en) 2014-06-27 2017-09-05 Blinker, Inc. Method and apparatus for receiving vehicle information from an image and posting the vehicle information to a website
US10733471B1 (en) 2014-06-27 2020-08-04 Blinker, Inc. Method and apparatus for receiving recall information from an image
US10579892B1 (en) 2014-06-27 2020-03-03 Blinker, Inc. Method and apparatus for recovering license plate information from an image
US10867327B1 (en) 2014-06-27 2020-12-15 Blinker, Inc. System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate
US9589202B1 (en) 2014-06-27 2017-03-07 Blinker, Inc. Method and apparatus for receiving an insurance quote from an image
US9773184B1 (en) 2014-06-27 2017-09-26 Blinker, Inc. Method and apparatus for receiving a broadcast radio service offer from an image
US9558419B1 (en) 2014-06-27 2017-01-31 Blinker, Inc. Method and apparatus for receiving a location of a vehicle service center from an image
US9779318B1 (en) 2014-06-27 2017-10-03 Blinker, Inc. Method and apparatus for verifying vehicle ownership from an image
US9818154B1 (en) 2014-06-27 2017-11-14 Blinker, Inc. System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate
US9600733B1 (en) 2014-06-27 2017-03-21 Blinker, Inc. Method and apparatus for receiving car parts data from an image
US9594971B1 (en) 2014-06-27 2017-03-14 Blinker, Inc. Method and apparatus for receiving listings of similar vehicles from an image
US9563814B1 (en) 2014-06-27 2017-02-07 Blinker, Inc. Method and apparatus for recovering a vehicle identification number from an image
JP6316154B2 (ja) * 2014-09-18 2018-04-25 株式会社東芝 車両検出装置、調整支援装置、車両検出方法及び調整方法
US9495869B2 (en) 2014-10-03 2016-11-15 International Business Machines Corporation Assistance to law enforcement through ambient vigilance
CN104408430B (zh) * 2014-12-01 2020-01-07 广东中星微电子有限公司 一种车牌定位方法及装置
CN104504744B (zh) * 2014-12-31 2017-09-19 深圳市捷顺科技实业股份有限公司 一种合成车牌图像的拟真方法及装置
US10341605B1 (en) 2016-04-07 2019-07-02 WatchGuard, Inc. Systems and methods for multiple-resolution storage of media streams
GB2576538B (en) 2018-08-23 2020-09-02 Roadmetric Ltd Detection and documentation of speeding violations
US10740643B2 (en) * 2018-08-28 2020-08-11 Sony Corporation Automatic license plate recognition based on augmented datasets
CN109740687B (zh) * 2019-01-09 2020-12-04 北京工业大学 一种基于dlae的发酵过程故障监测方法
TWI790471B (zh) * 2020-08-26 2023-01-21 財團法人工業技術研究院 基於深度學習的影像校正方法及系統
WO2022056872A1 (fr) * 2020-09-18 2022-03-24 西门子股份公司 Procédé et dispositif de correction d'image de plaque signalétique, et support de stockage lisible par ordinateur
CN113222943B (zh) * 2021-05-18 2022-05-03 宁波智能装备研究院有限公司 一种基于混合网格变换模型的图像形变估计方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274788A (ja) * 1993-03-22 1994-09-30 Mitsubishi Heavy Ind Ltd ナンバープレート読み取り装置
JPH0785211A (ja) * 1993-09-14 1995-03-31 Matsushita Electric Ind Co Ltd ナンバープレート文字認識方法およびその装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567609A (en) * 1983-03-28 1986-01-28 The United States Of America As Represented By The Secretary Of The Navy Automatic character recognition system
US4817166A (en) * 1986-05-05 1989-03-28 Perceptics Corporation Apparatus for reading a license plate
GB2217498B (en) * 1988-04-18 1992-03-18 Ind Tech Res Inst Method and apparatus for automatically recognising licence plate characters
US5020113A (en) * 1988-08-08 1991-05-28 Hughes Aircraft Company Maskable bilevel correlators
US5081685A (en) * 1988-11-29 1992-01-14 Westinghouse Electric Corp. Apparatus and method for reading a license plate
GB2227866B (en) * 1988-12-13 1993-05-05 Matsushita Electric Ind Co Ltd Automatic vehicle identification system
JPH03150672A (ja) * 1989-11-08 1991-06-27 Toshiba Corp ナンバプレート検出装置
JPH03174684A (ja) * 1989-12-02 1991-07-29 Ezel Inc ナンバープレート認識装置
JPH03224100A (ja) * 1990-01-30 1991-10-03 Mitsubishi Heavy Ind Ltd ナンバープレート認識装置
JP2851348B2 (ja) * 1990-02-08 1999-01-27 三菱重工業株式会社 ナンバープレート読み取り装置
JPH04920A (ja) * 1990-04-18 1992-01-06 Toshiba Corp 車両検知装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274788A (ja) * 1993-03-22 1994-09-30 Mitsubishi Heavy Ind Ltd ナンバープレート読み取り装置
JPH0785211A (ja) * 1993-09-14 1995-03-31 Matsushita Electric Ind Co Ltd ナンバープレート文字認識方法およびその装置

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
AKIO SHIO: "CHARACTER RECOGNITION IN SCENE IMAGES", AUTOFACT CONFERENCE PROCEEDINGS, 1 January 1989 (1989-01-01), pages 33 - 44, XP000566793 *
J. BAULDREAY ET E. MILBRADT: "Solving registration problems in optical character recognition", ELECTRONICS, vol. 35, 5 January 1962 (1962-01-05), pages 77 - 81, XP002012930 *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 690 (P - 1851) 26 December 1994 (1994-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 95, no. 003 *
WEIL H G ET AL: "BILDVERARBEITUNG: DIE 3. DIMENSION ERSCHLIESSEN GEKRUEMMTE FLAECHEN ODER RINGFOERMIGE SCHRIFTEN OHNE PROBLEME", ELEKTRONIK, vol. 40, no. 18, 3 September 1991 (1991-09-03), pages 52 - 57, XP000262260 *
Y. YAMADA ET AL: "Recognition of index numerals in a traffic register meter", REVIEW OF THE ELECTRICAL COMMUNICATION LABORATORIES, vol. 23, no. 11-12, November 1975 (1975-11-01), pages 1215 - 1223, XP002012931 *

Also Published As

Publication number Publication date
CA2135240A1 (fr) 1995-06-02
US5651075A (en) 1997-07-22
EP0656601A2 (fr) 1995-06-07

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